如图为某生态系统中的食物�根据图回答有关问题1图中最长的一条食物链可表示为 .2在这个生态系统中各种生物的数量和所占比例是相对 Template




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tomski如图为某生态系统中的食物�根据图回答有关问题1图中最长的一条食物链可表示为 .2在这个生态系统中各种生物的数量和所占比例是相对 coloring